Home / 136,637.30-188,573.97-80,096.18

Finding the Fourth Proportional to 136,637.30, 188,573.97 and 80,096.18

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Solution

The fourth proportional to 136,637.30, 188,573.97 and 80,096.18 is: 110,541.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,637.30 : 188,573.97 = 80,096.18 : x
  2. Step 2: Convert to fraction form
    136,637.30/188,573.97 = 80,096.18/x
  3. Step 3: Cross multiply
    136,637.30x = 188,573.97 × 80,096.18
  4. Step 4: Simplify right side
    136,637.30x = 15,104,054,644.43
  5. Step 5: Solve for x
    x = 15,104,054,644.43/136,637.30
  6. Step 6: Final answer
    x = 110,541.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.